*{
  box-sizing:border-box;
  margin: 0;
  padding: 0;
}
body{
  background: #3398db;
  padding: 40px 0;
}
.slider .slick-slide{
  background: #fff;
  border-radius:10px;
  height: 100px;
  margin: 0 10px;
  padding: 10px;
}

/*ad*/
.ad{
  margin: 100px auto;
  max-width: 1000px;
}